9.550 mbsnrtowcs
POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mbsnrtowcs.html
Gnulib module: mbsnrtowcs
Portability problems fixed by Gnulib:
- This function is missing on some platforms:
Mac OS X 10.3, FreeBSD 5.2.1, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 4.3.2,
HP-UX 11, IRIX 6.5, OSF/1 5.1, Solaris 11 2011-11, Cygwin 1.5.x, mingw, MSVC 9, Interix 3.5, BeOS.
Portability problems not fixed by Gnulib:
- On AIX and Windows platforms,
wchar_t
is a 16-bit type and therefore cannot
accommodate all Unicode characters.
- The specification is not clear about whether this function should update the
conversion state when the first argument (the destination pointer) is NULL.
The glibc, Mac OS X, FreeBSD implementations do update the state in this case.
For portability, when passing a NULL destination argument, it is best to pass
a pointer to a temporary copy of the conversion state.